The recall covers the 2015 through 2018 Chevrolet Trax.
Documents posted Friday by the National Highway Traffic Safety Administration an improperly welded joint can break, increasing the risk of a crash.
It's an expansion of a recall from April that covered the 2017 through 2019 model years.
Dealers will inspect the left and right front lower-control arms and replace them if needed. No date has been set for the recall to begin.